Unassigned tag is defined to emulate an unmapped PCI BAR resource.
This resource is not mapped into host physical address and hence
should not be picked up by memranges_add_resources().
Change-Id: If7a5c437d486b80d798496b985efd80526f13c63
Signed-off-by: Shuo Liu <shuo.liu@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66451
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jan Dabros <jsd@semihalf.com>
